pencilvested t1_j8urjji wrote on February 17, 2023 at 2:15 AM Reply to comment by rocknrollachef in Cleaning a thermos bottom from coffee traces "properly". by iBo0m Indeed, and with spotless equipment. Permalink Parent 3
pencilvested t1_j8tzwuk wrote on February 16, 2023 at 10:55 PM Reply to Cleaning a thermos bottom from coffee traces "properly". by iBo0m An alkaline cleaner like PBW will get that clean. It will remove stains on glass like that almost instantly. Permalink 4
pencilvested t1_j8urjji wrote
Reply to comment by rocknrollachef in Cleaning a thermos bottom from coffee traces "properly". by iBo0m
Indeed, and with spotless equipment.